The Cross,tube, cataloged under National Stock Number 4730-01-007-9788, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-007-9788 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Union Joint Location | FIRST END AND SECOND END AND THIRD END AND FOURTH END |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FOURTH END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.750 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.500 INCHES NOMINAL FOURTH END IN |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 304 NUT |
| Material | STEEL COMP 316 TAILPIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| H809-6-16-16-20SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-007-9788 is a Cross,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-007-9788: Connection Style: SOCKET (TUBE) ALL ENDS; Union Joint Location: FIRST END AND SECOND END AND THIRD END AND FOURTH END; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.